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Fig. 15 | AAPS Open

Fig. 15

From: Extraction of niclosamide from commercial approved tablets into aqueous buffered solution creates potentially approvable oral and nasal sprays against COVID-19 and other respiratory infections

Fig. 15

Optical microscope images of the dry heat-treated powder, showing, presumably, anhydrous recrystallization using 10× (top) and 40× (bottom) objectives. Regions of interest are shown at the two magnifications by the dashed boxes. Scale bars are 50 μm and 10 μm in bright field Kohler illumination optics (Nikon Diaphot)

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